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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Justin Kelsey

Bib: 4843 β€’M β€’Age: N/A

PA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 5%
Gender (Male)
#0 / 16340
Top 9%
Age Group (M18-39)
#0 / 5723
Top 22%
Race Day Weather
51Β°/41Β°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
19:13
3.11 mi
Rank: #2024
Start β†’ 5K
19:13 | 6:12/mi
10K
38:05
6.21 mi
Rank: #1817 (+207)
5K β†’ 10K
18:52 | 6:05/mi
15K
57:03
9.32 mi
Rank: #1814 (+3)
10K β†’ 15K
18:58 | 6:07/mi
20K
1:16:02
12.43 mi
Rank: #1758 (+56)
15K β†’ 20K
18:59 | 6:07/mi
HALF
1:20:09
13.11 mi
Rank: #1745 (+13)
20K β†’ HALF
4:07 | 6:03/mi
25K
1:34:57
15.53 mi
Rank: #1690 (+55)
HALF β†’ 25K
14:48 | 6:07/mi
30K
1:54:32
18.64 mi
Rank: #1646 (+44)
25K β†’ 30K
19:35 | 6:19/mi
20M
2:03:11
20.00 mi
Rank: #1645 (+1)
30K β†’ 20M
8:39 | 6:23/mi
21M
2:09:53
21.00 mi
Rank: #1635 (+10)
20M β†’ 21M
6:42 | 6:42/mi
35K
2:14:31
21.75 mi
Rank: #1625 (+10)
21M β†’ 35K
4:38 | 6:12/mi
23M
2:22:25
23.00 mi
Rank: #1587 (+38)
35K β†’ 23M
7:54 | 6:19/mi
24M
2:28:33
24.00 mi
Rank: #1562 (+25)
23M β†’ 24M
6:08 | 6:08/mi
40K
2:33:50
24.85 mi
Rank: #1531 (+31)
24M β†’ 40K
5:17 | 6:11/mi
25.2M
2:36:08
25.20 mi
Rank: #1517 (+14)
40K β†’ 25.2M
2:18 | 6:41/mi
FINISH
2:42:18
26.22 mi
Rank: #1504 (+13)
25.2M β†’ FINISH
6:10 | 6:04/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:20:09
Pace6:07 /mi
2nd Half
Distance13.11 mi
Time1:22:09
Pace6:16 /mi
πŸ“ŠPositive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:0119:136:1219:13
6:12
-
10K
6.21 mi10:41:5338:056:0818:52
6:05
-0:07
15K
9.32 mi11:00:5157:036:0818:58
6:07
+0:02
20K
12.43 mi11:19:501:16:026:0818:59
6:07
0:00
HALF
13.11 mi11:23:571:20:096:074:07
6:03
-0:04
25K
15.53 mi11:38:451:34:576:0714:48
6:07
+0:04
30K
18.64 mi11:58:201:54:326:0919:35
6:19
+0:12
20M
20.00 mi12:06:592:03:116:108:39
6:23
+0:04
21M
21.00 mi12:13:412:09:536:126:42
6:42
+0:19
35K
21.75 mi12:18:192:14:316:124:38
6:12
-0:30
23M
23.00 mi12:26:132:22:256:127:54
6:19
+0:07
24M
24.00 mi12:32:212:28:336:126:08
6:08
-0:11
40K
24.85 mi12:37:382:33:506:125:17
6:11
+0:03
25.2M
25.20 mi12:39:562:36:086:122:18
6:41
+0:30
FINISH
26.22 mi12:46:062:42:186:126:10
6:04
-0:37

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

6:03 /mi

Average Pace

6:12 /mi

Slowest Pace

6:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:33:18

94% of race

Time at Steady Pace

9:00

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:11 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:23:0119:136:1219:13
6:12
#2024
10K
6.21 mi10:41:5338:056:0818:52
6:05
#1817
15K
9.32 mi11:00:5157:036:0818:58
6:07
#1814
20K
12.43 mi11:19:501:16:026:0818:59
6:07
#1758
HALF
13.11 mi11:23:571:20:096:074:07
6:03
#1745
25K
15.53 mi11:38:451:34:576:0714:48
6:07
#1690
30K
18.64 mi11:58:201:54:326:0919:35
6:19
#1646
20M
20.00 mi12:06:592:03:116:108:39
6:23
#1645
21M
21.00 mi12:13:412:09:536:126:42
6:42
#1635
35K
21.75 mi12:18:192:14:316:124:38
6:12
#1625
23M
23.00 mi12:26:132:22:256:127:54
6:19
#1587
24M
24.00 mi12:32:212:28:336:126:08
6:08
#1562
40K
24.85 mi12:37:382:33:506:125:17
6:11
#1531
25.2M
25.20 mi12:39:562:36:086:122:18
6:41
#1517
FINISH
26.22 mi12:46:062:42:186:126:10
6:04
#1504
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2024194919491836(Top 6%)1770(Top 11%)1770(Top 31%)
10K6.21 mi3.10 mi1817+2071750+1991750+1991683(Top 6%)1619(Top 10%)1619(Top 28%)
15K9.32 mi3.11 mi1814+31748+21748+21836(Top 6%)1770(Top 11%)1770(Top 31%)
20K12.43 mi3.11 mi1758+561695+531695+531617(Top 6%)1558(Top 10%)1558(Top 27%)
HALF13.11 mi0.68 mi1745+131682+131682+131633(Top 6%)1576(Top 10%)1576(Top 28%)
25K15.53 mi2.42 mi1690+551628+541628+541470(Top 5%)1417(Top 9%)1417(Top 25%)
30K18.64 mi3.11 mi1646+441584+441584+441654(Top 6%)1590(Top 10%)1590(Top 28%)
20M20.00 mi1.36 mi1645+1158415841796(Top 6%)1716(Top 11%)1716(Top 30%)
21M21.00 mi1.00 mi1635+101576+81576+82000(Top 7%)1907(Top 12%)1907(Top 33%)
35K21.75 mi0.75 mi1625+101567+91567+91951(Top 7%)1860(Top 11%)1860(Top 33%)
23M23.00 mi1.25 mi1587+381531+361531+361609(Top 6%)1534(Top 9%)1534(Top 27%)
24M24.00 mi1.00 mi1562+251505+261505+261500(Top 5%)1423(Top 9%)1423(Top 25%)
40K24.85 mi0.85 mi1531+311474+311474+311279(Top 4%)1216(Top 7%)1216(Top 21%)
25.2M25.20 mi0.35 mi1517+141460+141460+141383(Top 5%)1303(Top 8%)1303(Top 23%)
FINISH26.22 mi1.02 mi1504+131446+141446+141822(Top 6%)1694(Top 10%)1694(Top 30%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
Γ—21
+97ft-345ft

Overall

1836

Males

1770

M18-39

1770

5K→10K

3.1 - 6.2 mi

Top 6%
Γ—5
+79ft-138ft

Overall

1683

Males

1619

M18-39

1619

10K→15K

6.2 - 9.3 mi

Top 6%
Γ—3
+67ft-78ft

Overall

1836

Males

1770

M18-39

1770

15K→20K

9.3 - 12.4 mi

Top 6%
Γ—5
+106ft-86ft

Overall

1617

Males

1558

M18-39

1558

20K→HALF

12.4 - 13.1 mi

Top 6%
Γ—2
+19ft-37ft

Overall

1633

Males

1576

M18-39

1576

HALF→25K

13.1 - 15.5 mi

Top 5%
Γ—4
+66ft-88ft

Overall

1470

Males

1417

M18-39

1417

25K→30K

15.5 - 18.6 mi

Top 6%
Γ—9
+181ft-148ft

Overall

1654

Males

1590

M18-39

1590

30K→20M

18.6 - 20.0 mi

Top 6%
Γ—5
+64ft-50ft

Overall

1796

Males

1716

M18-39

1716

20M→21M

20.0 - 21.0 mi

Top 7%
Γ—8
+106ft-24ft

Overall

2000

Males

1907

M18-39

1907

21M→35K

21.0 - 21.8 mi

Top 7%
Γ—7
+17ft-86ft

Overall

1951

Males

1860

M18-39

1860

35K→23M

21.8 - 23.0 mi

Top 6%
Γ—5
+23ft-63ft

Overall

1609

Males

1534

M18-39

1534

23M→24M

23.0 - 24.0 mi

Top 5%
Γ—6
+12ft-82ft

Overall

1500

Males

1423

M18-39

1423

24M→40K

24.0 - 24.9 mi

Top 4%
Γ—1
+6ft-20ft

Overall

1279

Males

1216

M18-39

1216

40K→25.2M

24.9 - 25.2 mi

Top 5%
Γ—1
+13ft-16ft

Overall

1383

Males

1303

M18-39

1303

25.2M→FINISH

25.2 - 26.2 mi

Top 6%
Γ—2
+22ft-21ft

Overall

1822

Males

1694

M18-39

1694

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
794*
Passed By
274
Net Change
+520
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#2024
5K β†’ 10K232*25+207#2024#1817
10K β†’ 15K6259+3#1817#1814
15K β†’ 20K8226+56#1814#1758
20K β†’ HALF152+13#1758#1745
HALF β†’ 25K627+55#1745#1690
25K β†’ 30K8642+44#1690#1646
30K β†’ 20M3029+1#1646#1645
20M β†’ 21M3121+10#1645#1635
21M β†’ 35K2313+10#1635#1625
35K β†’ 23M4810+38#1625#1587
23M β†’ 24M3712+25#1587#1562
24M β†’ 40K365+31#1562#1531
40K β†’ 25.2M206+14#1531#1517
25.2M β†’ FINISH3017+13#1517#1504
TOTALS794*274+520

* Includes athletes who did not complete a segment (DNF/DNQ).

πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Qualifying & Age Grade

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OTQ

Olympic Trials Qualifying analysis available

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